Re: 1998 c1500 4.3 misfire troubles
I had a similar problem with my 98 4.3L. It would idle rough and when cruising at highway speeds, it felt like it was surging. Replacing fuel filter seemed to help a little, but it turned out that the spider injectors needed to be replaced.
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1965 C10
1967 Camaro
1998 C1500
2011 Colorado W/T
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